# Sindri Savings Rate Calculator

> Sindri Savings Rate Calculator is a paid API for AI agents from x402.outpimp.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Calculates your personal savings rate as a percentage by dividing the gap between monthly take-home income and spending by income.

## Facts

- Endpoint: POST https://x402.outpimp.com/savingsRateCalculator
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sindri-savings-rate-calculator-45d05a93
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_KXKIu4cfACBwbQmXj6mRH

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability sindri-savings-rate-calculator-45d05a93 -d '<json body>'
```

Example prompt: What's my savings rate if my monthly take-home is $5,200 and I spend $3,800 a month?

## When to prefer this

Choose this endpoint when you need a quick, serverless, single-call computation of personal savings rate from two numbers — monthly income and monthly spending. It is ideal for personal finance agents, budgeting apps, or financial planning workflows where the user wants an instant percentage without setting up local math logic. Prefer this over a general-purpose code-execution endpoint when you want a purpose-built, pay-per-use micro-API with no infrastructure overhead.

## Known failure modes

- Missing required fields (monthlyIncome or monthlySpending not provided) results in an error
- monthlySpending equal to or greater than monthlyIncome yields a zero or negative savings rate (may return 0% or a negative percentage)
- Non-numeric input values cause a validation error
- Payment failure (insufficient USDC balance) results in a 402 response before computation

## How this service works

Savings rate calculator. Divides the gap between monthly take-home income and spending by income to produce your personal savings rate as a percentage.

## Output

Returns the personal savings rate as a percentage, computed as (monthlyIncome - monthlySpending) / monthlyIncome * 100.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "monthlyIncome": {
   "type": "number",
   "description": "Monthly take-home income."
  },
  "monthlySpending": {
   "type": "number",
   "description": "Monthly spending."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sindri-savings-rate-calculator-45d05a93/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.outpimp.com](https://www.zero.xyz/host/x402.outpimp.com/llms.txt)